2978896131 has 12 divisors (see below), whose sum is σ = 4315183600. Its totient is φ = 1980238320.

The previous prime is 2978896117. The next prime is 2978896147. The reversal of 2978896131 is 1316988792.

It is not a de Polignac number, because 2978896131 - 2¹⁴ = 2978879747 is a prime.

It is a super-2 number, since 2×2978896131² = 17747644318573538322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2978856131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 471055 + ... + 477336.

Almost surely, 2^2978896131 is an apocalyptic number.

2978896131 is a deficient number, since it is larger than the sum of its proper divisors (1336287469).

2978896131 is a wasteful number, since it uses less digits than its factorization.

2978896131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948746 (or 948743 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The square root of 2978896131 is about 54579.2646615910. The cubic root of 2978896131 is about 1438.8597150533.

The spelling of 2978896131 in words is "two billion, nine hundred seventy-eight million, eight hundred ninety-six thousand, one hundred thirty-one".