31453431524102 has 48 divisors (see below), whose sum is σ = 56777486459760. Its totient is φ = 13014768376512.

The previous prime is 31453431524101. The next prime is 31453431524107. The reversal of 31453431524102 is 20142513435413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31453431524101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90694193 + ... + 91040339.

It is an arithmetic number, because the mean of its divisors is an integer number (1182864301245).

Almost surely, 2^{31453431524102} is an apocalyptic number.

31453431524102 is a deficient number, since it is larger than the sum of its proper divisors (25324054935658).

31453431524102 is a wasteful number, since it uses less digits than its factorization.

31453431524102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378165 (or 378158 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 31453431524102 its reverse (20142513435413), we get a palindrome (51595944959515).

The spelling of 31453431524102 in words is "thirty-one trillion, four hundred fifty-three billion, four hundred thirty-one million, five hundred twenty-four thousand, one hundred two".