987268190331 has 16 divisors (see below), whose sum is σ = 1353353573664. Its totient is φ = 639718136064.

The previous prime is 987268190303. The next prime is 987268190369. The reversal of 987268190331 is 133091862789.

It is not a de Polignac number, because 987268190331 - 2⁵ = 987268190299 is a prime.

It is a super-2 number, since 2×987268190331² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (987268190371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4560696 + ... + 4772261.

It is an arithmetic number, because the mean of its divisors is an integer number (84584598354).

Almost surely, 2^987268190331 is an apocalyptic number.

987268190331 is a deficient number, since it is larger than the sum of its proper divisors (366085383333).

987268190331 is a wasteful number, since it uses less digits than its factorization.

987268190331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9333950.

The product of its (nonzero) digits is 3919104, while the sum is 57.

The spelling of 987268190331 in words is "nine hundred eighty-seven billion, two hundred sixty-eight million, one hundred ninety thousand, three hundred thirty-one".