31436457542 has 12 divisors (see below), whose sum is σ = 54853410780. Its totient is φ = 13472767476.

The previous prime is 31436457541. The next prime is 31436457551. The reversal of 31436457542 is 24575463413.

It is a junction number, because it is equal to n+sod(n) for n = 31436457493 and 31436457502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31436457541) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 160389992 + ... + 160390187.

It is an arithmetic number, because the mean of its divisors is an integer number (4571117565).

Almost surely, 2^31436457542 is an apocalyptic number.

31436457542 is a deficient number, since it is larger than the sum of its proper divisors (23416953238).

31436457542 is a wasteful number, since it uses less digits than its factorization.

31436457542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320780195 (or 320780188 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 44.

The spelling of 31436457542 in words is "thirty-one billion, four hundred thirty-six million, four hundred fifty-seven thousand, five hundred forty-two".