31310131143254 has 48 divisors (see below), whose sum is σ = 48102919899840. Its totient is φ = 15284307571200.

The previous prime is 31310131143233. The next prime is 31310131143257. The reversal of 31310131143254 is 45234113101313.

It is a self number, because there is not a number n which added to its sum of digits gives 31310131143254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31310131143257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 542485502 + ... + 542543214.

It is an arithmetic number, because the mean of its divisors is an integer number (1002144164580).

Almost surely, 2^{31310131143254} is an apocalyptic number.

31310131143254 is a deficient number, since it is larger than the sum of its proper divisors (16792788756586).

31310131143254 is a wasteful number, since it uses less digits than its factorization.

31310131143254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58377 (or 58316 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 31310131143254 its reverse (45234113101313), we get a palindrome (76544244244567).

The spelling of 31310131143254 in words is "thirty-one trillion, three hundred ten billion, one hundred thirty-one million, one hundred forty-three thousand, two hundred fifty-four".