31034154390 has 32 divisors (see below), whose sum is σ = 74486795616. Its totient is φ = 8275238400.

The previous prime is 31034154367. The next prime is 31034154391. The reversal of 31034154390 is 9345143013.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31034154391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 701940 + ... + 744840.

It is an arithmetic number, because the mean of its divisors is an integer number (2327712363).

Almost surely, 2^31034154390 is an apocalyptic number.

31034154390 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31034154390 is an abundant number, since it is smaller than the sum of its proper divisors (43452641226).

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

31034154390 is a wasteful number, since it uses less digits than its factorization.

31034154390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67024.

The product of its (nonzero) digits is 19440, while the sum is 33.

The spelling of 31034154390 in words is "thirty-one billion, thirty-four million, one hundred fifty-four thousand, three hundred ninety".