6988901031 has 12 divisors (see below), whose sum is σ = 11537233552. Its totient is φ = 3993657696.

The previous prime is 6988901027. The next prime is 6988901033. The reversal of 6988901031 is 1301098896.

It is not a de Polignac number, because 6988901031 - 2² = 6988901027 is a prime.

It is a super-2 number, since 2×6988901031² = 97689475242225725922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6988901033) 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, 55467406 + ... + 55467531.

Almost surely, 2^6988901031 is an apocalyptic number.

6988901031 is a deficient number, since it is larger than the sum of its proper divisors (4548332521).

6988901031 is a wasteful number, since it uses less digits than its factorization.

6988901031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110934950 (or 110934947 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 6988901031 is about 83599.6473138494. The cubic root of 6988901031 is about 1911.9196210987.

The spelling of 6988901031 in words is "six billion, nine hundred eighty-eight million, nine hundred one thousand, thirty-one".