31023304404130 has 8 divisors (see below), whose sum is σ = 55841947927452. Its totient is φ = 12409321761648.

The previous prime is 31023304404119. The next prime is 31023304404161. The reversal of 31023304404130 is 3140440332013.

It can be written as a sum of positive squares in 2 ways, for example, as 29188983598489 + 1834320805641 = 5402683^2 + 1354371^2 .

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

It is a super-2 number, since 2×31023304404130² (a number of 28 digits) 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, 1551165220197 + ... + 1551165220216.

Almost surely, 2^{31023304404130} is an apocalyptic number.

31023304404130 is a deficient number, since it is larger than the sum of its proper divisors (24818643523322).

31023304404130 is a wasteful number, since it uses less digits than its factorization.

31023304404130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3102330440420.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 31023304404130 its reverse (3140440332013), we get a palindrome (34163744736143).

The spelling of 31023304404130 in words is "thirty-one trillion, twenty-three billion, three hundred four million, four hundred four thousand, one hundred thirty".