31451110234004 has 6 divisors (see below), whose sum is σ = 55039442909514. Its totient is φ = 15725555117000.

The previous prime is 31451110233923. The next prime is 31451110234007. The reversal of 31451110234004 is 40043201115413.

It can be written as a sum of positive squares in only one way, i.e., 17470226467600 + 13980883766404 = 4179740^2 + 3739102^2 .

It is a super-3 number, since 3×31451110234004³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31451110234007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3931388779247 + ... + 3931388779254.

It is an arithmetic number, because the mean of its divisors is an integer number (9173240484919).

Almost surely, 2^{31451110234004} is an apocalyptic number.

It is an amenable number.

31451110234004 is a deficient number, since it is larger than the sum of its proper divisors (23588332675510).

31451110234004 is a wasteful number, since it uses less digits than its factorization.

31451110234004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7862777558505 (or 7862777558503 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 31451110234004 its reverse (40043201115413), we get a palindrome (71494311349417).

The spelling of 31451110234004 in words is "thirty-one trillion, four hundred fifty-one billion, one hundred ten million, two hundred thirty-four thousand, four".