31320423010654 has 4 divisors (see below), whose sum is σ = 46980634515984. Its totient is φ = 15660211505326.

The previous prime is 31320423010621. The next prime is 31320423010687. The reversal of 31320423010654 is 45601032402313.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (31320423010621) and next prime (31320423010687).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7830105752662 + ... + 7830105752665.

It is an arithmetic number, because the mean of its divisors is an integer number (11745158628996).

Almost surely, 2^{31320423010654} is an apocalyptic number.

31320423010654 is a deficient number, since it is larger than the sum of its proper divisors (15660211505330).

31320423010654 is a wasteful number, since it uses less digits than its factorization.

31320423010654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15660211505329.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 31320423010654 its reverse (45601032402313), we get a palindrome (76921455412967).

The spelling of 31320423010654 in words is "thirty-one trillion, three hundred twenty billion, four hundred twenty-three million, ten thousand, six hundred fifty-four".