31401402140024 has 16 divisors (see below), whose sum is σ = 67288718871600. Its totient is φ = 13457743774272.

The previous prime is 31401402140023. The next prime is 31401402140057. The reversal of 31401402140024 is 42004120410413.

It is a junction number, because it is equal to n+sod(n) for n = 31401402139975 and 31401402140002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31401402140023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280369661909 + ... + 280369662020.

It is an arithmetic number, because the mean of its divisors is an integer number (4205544929475).

Almost surely, 2^{31401402140024} is an apocalyptic number.

It is an amenable number.

31401402140024 is an abundant number, since it is smaller than the sum of its proper divisors (35887316731576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31401402140024 is a wasteful number, since it uses less digits than its factorization.

31401402140024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560739323942 (or 560739323938 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 31401402140024 its reverse (42004120410413), we get a palindrome (73405522550437).

The spelling of 31401402140024 in words is "thirty-one trillion, four hundred one billion, four hundred two million, one hundred forty thousand, twenty-four".