31312232311102 has 8 divisors (see below), whose sum is σ = 46968504075576. Its totient is φ = 15656064285912.

The previous prime is 31312232311057. The next prime is 31312232311121. The reversal of 31312232311102 is 20111323221313.

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

It is a super-2 number, since 2×31312232311102² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

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, 25175788 + ... + 26390239.

It is an arithmetic number, because the mean of its divisors is an integer number (5871063009447).

Almost surely, 2^{31312232311102} is an apocalyptic number.

31312232311102 is a deficient number, since it is larger than the sum of its proper divisors (15656271764474).

31312232311102 is a wasteful number, since it uses less digits than its factorization.

31312232311102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51869642.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 31312232311102 its reverse (20111323221313), we get a palindrome (51423555532415).

The spelling of 31312232311102 in words is "thirty-one trillion, three hundred twelve billion, two hundred thirty-two million, three hundred eleven thousand, one hundred two".