31403654142 has 16 divisors (see below), whose sum is σ = 71779780992. Its totient is φ = 8972472600.

The previous prime is 31403654099. The next prime is 31403654143. The reversal of 31403654142 is 24145630413.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31403654143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373852984 + ... + 373853067.

It is an arithmetic number, because the mean of its divisors is an integer number (4486236312).

Almost surely, 2^31403654142 is an apocalyptic number.

31403654142 is an abundant number, since it is smaller than the sum of its proper divisors (40376126850).

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

31403654142 is a wasteful number, since it uses less digits than its factorization.

31403654142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747706063.

The product of its (nonzero) digits is 34560, while the sum is 33.

The spelling of 31403654142 in words is "thirty-one billion, four hundred three million, six hundred fifty-four thousand, one hundred forty-two".