31430157430286 has 8 divisors (see below), whose sum is σ = 47809253556144. Its totient is φ = 15493739578240.

The previous prime is 31430157430283. The next prime is 31430157430327. The reversal of 31430157430286 is 68203475103413.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 31430157430286.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31430157430283) 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, 110669568275 + ... + 110669568558.

It is an arithmetic number, because the mean of its divisors is an integer number (5976156694518).

Almost surely, 2^{31430157430286} is an apocalyptic number.

31430157430286 is a deficient number, since it is larger than the sum of its proper divisors (16379096125858).

31430157430286 is a wasteful number, since it uses less digits than its factorization.

31430157430286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221339136906.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 31430157430286 in words is "thirty-one trillion, four hundred thirty billion, one hundred fifty-seven million, four hundred thirty thousand, two hundred eighty-six".