897903131 has 4 divisors (see below), whose sum is σ = 900310752. Its totient is φ = 895495512.

The previous prime is 897903119. The next prime is 897903143. The reversal of 897903131 is 131309798.

897903131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (897903119) and next prime (897903143).

It is a cyclic number.

It is not a de Polignac number, because 897903131 - 2¹⁴ = 897886747 is a prime.

It is a super-2 number, since 2×897903131² = 1612460065319206322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (897905131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1203251 + ... + 1203996.

It is an arithmetic number, because the mean of its divisors is an integer number (225077688).

Almost surely, 2^897903131 is an apocalyptic number.

897903131 is a deficient number, since it is larger than the sum of its proper divisors (2407621).

897903131 is a wasteful number, since it uses less digits than its factorization.

897903131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2407620.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 897903131 is about 29965.0318037542. The cubic root of 897903131 is about 964.7389849516.

The spelling of 897903131 in words is "eight hundred ninety-seven million, nine hundred three thousand, one hundred thirty-one".