31140496474 has 8 divisors (see below), whose sum is σ = 46814778900. Its totient is φ = 15535570176.

The previous prime is 31140496469. The next prime is 31140496477. The reversal of 31140496474 is 47469404113.

It can be written as a sum of positive squares in 2 ways, for example, as 31048202025 + 92294449 = 176205^2 + 9607^2 .

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

It is a super-4 number, since 4×31140496474⁴ (a number of 43 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31140496474.

It is not an unprimeable number, because it can be changed into a prime (31140496477) 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, 17337909 + ... + 17339704.

Almost surely, 2^31140496474 is an apocalyptic number.

31140496474 is a deficient number, since it is larger than the sum of its proper divisors (15674282426).

31140496474 is a wasteful number, since it uses less digits than its factorization.

31140496474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34678064.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 31140496474 in words is "thirty-one billion, one hundred forty million, four hundred ninety-six thousand, four hundred seventy-four".