31255552231046 has 32 divisors (see below), whose sum is σ = 55082356711200. Its totient is φ = 13113588602880.

The previous prime is 31255552231021. The next prime is 31255552231151. The reversal of 31255552231046 is 64013225555213.

It is a junction number, because it is equal to n+sod(n) for n = 31255552230988 and 31255552231006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3374840 + ... + 8596548.

It is an arithmetic number, because the mean of its divisors is an integer number (1721323647225).

Almost surely, 2^{31255552231046} is an apocalyptic number.

31255552231046 is a deficient number, since it is larger than the sum of its proper divisors (23826804480154).

31255552231046 is a wasteful number, since it uses less digits than its factorization.

31255552231046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5242664.

The product of its (nonzero) digits is 1080000, while the sum is 44.

Adding to 31255552231046 its reverse (64013225555213), we get a palindrome (95268777786259).

The spelling of 31255552231046 in words is "thirty-one trillion, two hundred fifty-five billion, five hundred fifty-two million, two hundred thirty-one thousand, forty-six".