31451504104 has 32 divisors (see below), whose sum is σ = 60475345920. Its totient is φ = 15326349696.

The previous prime is 31451504093. The next prime is 31451504107. The reversal of 31451504104 is 40140515413.

It is a super-3 number, since 3×31451504104³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (31451504107) 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, 57177 + ... + 257239.

It is an arithmetic number, because the mean of its divisors is an integer number (1889854560).

Almost surely, 2^31451504104 is an apocalyptic number.

It is an amenable number.

31451504104 is a deficient number, since it is larger than the sum of its proper divisors (29023841816).

31451504104 is a wasteful number, since it uses less digits than its factorization.

31451504104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200569 (or 200565 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The spelling of 31451504104 in words is "thirty-one billion, four hundred fifty-one million, five hundred four thousand, one hundred four".