10290988931 has 8 divisors (see below), whose sum is σ = 10367626944. Its totient is φ = 10214625960.

The previous prime is 10290988907. The next prime is 10290988979. The reversal of 10290988931 is 13988909201.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10290988931 is a prime.

It is a super-2 number, since 2×10290988931² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10290988931.

It is not an unprimeable number, because it can be changed into a prime (10290988901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6656 + ... + 143618.

It is an arithmetic number, because the mean of its divisors is an integer number (1295953368).

Almost surely, 2^10290988931 is an apocalyptic number.

10290988931 is a deficient number, since it is larger than the sum of its proper divisors (76638013).

10290988931 is a wasteful number, since it uses less digits than its factorization.

10290988931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137521.

The product of its (nonzero) digits is 279936, while the sum is 50.

The spelling of 10290988931 in words is "ten billion, two hundred ninety million, nine hundred eighty-eight thousand, nine hundred thirty-one".