31400143102 has 16 divisors (see below), whose sum is σ = 48706918272. Its totient is φ = 15166323360.

The previous prime is 31400143057. The next prime is 31400143157. The reversal of 31400143102 is 20134100413.

It is a self number, because there is not a number n which added to its sum of digits gives 31400143102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420093 + ... + 489160.

It is an arithmetic number, because the mean of its divisors is an integer number (3044182392).

Almost surely, 2^31400143102 is an apocalyptic number.

31400143102 is a deficient number, since it is larger than the sum of its proper divisors (17306775170).

31400143102 is a wasteful number, since it uses less digits than its factorization.

31400143102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909843.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 31400143102 its reverse (20134100413), we get a palindrome (51534243515).

The spelling of 31400143102 in words is "thirty-one billion, four hundred million, one hundred forty-three thousand, one hundred two".