97901131 has 8 divisors (see below), whose sum is σ = 101360000. Its totient is φ = 94461120.

The previous prime is 97901117. The next prime is 97901143. The reversal of 97901131 is 13110979.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97901131 - 2¹⁷ = 97770059 is a prime.

It is a super-2 number, since 2×97901131² = 19169262902158322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is the 9895-th Hogben number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97901093 and 97901102.

It is not an unprimeable number, because it can be changed into a prime (97901101) by changing a digit.

It is a nontrivial repunit in base 9894.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6295 + ... + 15343.

It is an arithmetic number, because the mean of its divisors is an integer number (12670000).

Almost surely, 2^97901131 is an apocalyptic number.

97901131 is a deficient number, since it is larger than the sum of its proper divisors (3458869).

97901131 is a wasteful number, since it uses less digits than its factorization.

97901131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9429.

The product of its (nonzero) digits is 1701, while the sum is 31.

The square root of 97901131 is about 9894.5000378998. The cubic root of 97901131 is about 460.8885330827. Note that the first 3 decimals are identical.

The spelling of 97901131 in words is "ninety-seven million, nine hundred one thousand, one hundred thirty-one".