2131211274 has 16 divisors (see below), whose sum is σ = 4271755008. Its totient is φ = 708848352.

The previous prime is 2131211267. The next prime is 2131211293. The reversal of 2131211274 is 4721121312.

It is a super-2 number, since 2×2131211274² = 9084122988849406152, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385882 + ... + 391365.

It is an arithmetic number, because the mean of its divisors is an integer number (266984688).

Almost surely, 2^2131211274 is an apocalyptic number.

2131211274 is an abundant number, since it is smaller than the sum of its proper divisors (2140543734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2131211274 is a wasteful number, since it uses less digits than its factorization.

2131211274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777709.

The product of its digits is 672, while the sum is 24.

The square root of 2131211274 is about 46165.0438535479. The cubic root of 2131211274 is about 1286.8921991683.

Adding to 2131211274 its reverse (4721121312), we get a palindrome (6852332586).

The spelling of 2131211274 in words is "two billion, one hundred thirty-one million, two hundred eleven thousand, two hundred seventy-four".