1031310988 has 12 divisors (see below), whose sum is σ = 1806582960. Its totient is φ = 515144432.

The previous prime is 1031310949. The next prime is 1031311009. The reversal of 1031310988 is 8890131301.

It is a happy number.

It is a super-2 number, since 2×1031310988² = 2127204707939072288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123208 + ... + 131311.

It is an arithmetic number, because the mean of its divisors is an integer number (150548580).

Almost surely, 2^1031310988 is an apocalyptic number.

It is an amenable number.

1031310988 is a deficient number, since it is larger than the sum of its proper divisors (775271972).

1031310988 is a wasteful number, since it uses less digits than its factorization.

1031310988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255536 (or 255534 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 1031310988 is about 32114.0310144958. The cubic root of 1031310988 is about 1010.3299213000.

The spelling of 1031310988 in words is "one billion, thirty-one million, three hundred ten thousand, nine hundred eighty-eight".