31553253222142 has 8 divisors (see below), whose sum is σ = 47355842471616. Its totient is φ = 15767972398272.

The previous prime is 31553253222137. The next prime is 31553253222191. The reversal of 31553253222142 is 24122235235513.

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

It is a super-2 number, since 2×31553253222142² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31553253222095 and 31553253222104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4327101843 + ... + 4327109134.

It is an arithmetic number, because the mean of its divisors is an integer number (5919480308952).

Almost surely, 2^{31553253222142} is an apocalyptic number.

31553253222142 is a deficient number, since it is larger than the sum of its proper divisors (15802589249474).

31553253222142 is a wasteful number, since it uses less digits than its factorization.

31553253222142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8654212802.

The product of its digits is 432000, while the sum is 40.

Adding to 31553253222142 its reverse (24122235235513), we get a palindrome (55675488457655).

The spelling of 31553253222142 in words is "thirty-one trillion, five hundred fifty-three billion, two hundred fifty-three million, two hundred twenty-two thousand, one hundred forty-two".